Unexplained Phenomena

Sacred geometry, a term that immediately evokes curiosity, refers to geometric forms and patterns that appear throughout nature, art and architecture.

By Zach Taras

A disturbing noise, somewhere between a window-rattling bass and a brain-numbing deep thrum has bugged the heck out of residents in the city of Windsor, Ontario, Canada for years, and it's called the Windsor Hum.

By John Donovan

"Stop, what's that sound?" Doesn't it creep you out when you don't know? There are lots of sounds out there that baffle even scientists.

By Patrick J. Kiger

Crop circles. Alien autopsies. Time travelers. These are just some of the paranormal phenomena that people have believed in but were later found to be hoaxes. Often, even when someone admitted to making it up, that didn't stop the true believers.

By Dave Roos

Do you believe in aliens? If you do, you certainly aren't alone. Stories of flying saucers abducting people and planes have existed since the dawn of flight. See whether you think these pictures scream Photoshop or for real.

By Rick Mayda

A key ingredient of horror films, junior-high slumber parties and occult practices, the Ouija board has been fascinating and scaring people for more than a century. But does it really contact the spirit world, or is there a more logical explanation?

By Julia Layton

According to most pet psychics, you communicate with your pets telepathically all the time, without even knowing it. Learn about the controversies associated with animal communication.

By Tracy V. Wilson

Are crop circles the work of alien visitors? Are they a natural phenomenon? Are they elaborate hoaxes perpetrated by some very dedicated humans? Learn how researchers try to separate the supernatural from the scientific.

By Stephanie Watson

Could a person catch fire - with no apparent spark or flame - and then burn so completely nothing else ignites around them?

By Stephanie Watson & Mark Mancini

Hummmmmm. Annoyed yet? Imagine if you heard that sound every night no matter what you did. Likened to a diesel engine idling in the distance, the Hum is a sound some people can never get away from. It's even caused suicide. But is it real?

By Dave Roos

It's a massive book that no one can read, and it has fascinated scientists, historians and cryptographers for decades. Is it a textbook, an encyclopedia ... or an elaborate hoax?

By Nathan Chandler

In 1977, SETI volunteer Jerry Ehman saw a transmission so exciting he circled it on paper and wrote the word "Wow!" It seemed to indicate a message from outer space. But what was it really?

By Dave Roos & Austin Henderson

The mysteries of Stonehenge have captivated us for centuries: Who built it and why? How did they move those giant stones? Though archaeologists and other researchers have replaced old theories with new ideas, many questions remain.

By Jane McGrath

Was Anna Anderson really Anastasia Romanov? Does the Bermuda Triangle really exist? Wonder no more: We have the answers to these and other formerly unsolved mysteries.

By Patrick J. Kiger

Star jelly sounds like it could be some sort of cosmic spread for toast -- complete with a flashy label boasting, "Now with 50 percent more universe!" Unfortunately, the real story of star jelly is far less tasty -- and far more terrestrial.

By Kate Kershner

The "angel hair phenomenon" sounds like a best-selling pasta dish from your local Italian restaurant. Or maybe we're just hungry. But if this phenomenon isn't related to tasty cuisine, what's it all about -- and are angels actually involved?

By Kate Kershner

The Zone of Silence is Mexico's own Bermuda Triangle, a place where radio signals don't work and an alien might just turn up. But what is the real story behind it?

By Kate Kershner

Ancient caves! Mysterious stones! Tiny little beings with strange heads! Sounds like the plot of an Indiana Jones movie, doesn't it? The legend of the Dropa stones has persisted for over half a century now, but is any of it actually true?

By Kate Kershner

Humans riding dinosaurs: Sounds like a kid's dream come true! History tells us this couldn't possibly have happened, but the Ica stones say otherwise. So is there any truth to these allegedly ancient carvings, or are they just an elaborate hoax?

By Kate Kershner

Fans of the Super Mario Bros. series know that enemy fish can attack from above. And fans of the film "Magnolia" know that sometimes frogs do rain from the sky. But this is purely the realm of pop culture. Things like this don't really happen, right?

By Kate Kershner

Singing monuments sounds like the premise of an enchanted Broadway musical -- or a scene straight out of "A Night at the Museum." So did the Colossi of Memnon actually sing at one time? And if so, why don't they sing anymore? Stage fright?

By Kate Kershner

Is the world really connected by an intricate, invisible web of knowledge-expanding energy waves? Sure, it's called the Internet -- and you're channeling it right now! Oh, you were asking about the ley lines? We've got an answer for that too.

By Kate Kershner

Long before crop circles captured the world's imagination, a Peruvian culture called the Nazca went about creating a series of intricate lines -- sometimes in the shapes of animals -- on the desert floor. But how'd they do it -- and why?

By Kate Kershner

Obviously, if we had more evidence of the existence of ghosts, we wouldn't all spend so much time debating the matter. Believers in the supernatural, however, are convinced a substance called "ectoplasm" proves ghosts are real -- but are they right?

By Kate Kershner

To some people, a crystal skull is simply a crystal in the shape of a human skull. But to those who believe in the supernatural, it can represent doom or hope.

By Shanna Freeman